Wiring
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F1 Fuse
K1 Contactor relay for switching delay (response delay 500 ms)
S1 Pushbutton: Start, low speed
S2 Pushbutton: Start, high speed
S3 Pushbutton: Reset
S4 Pushbutton: Motor stop
Q1 Motor starter protector
Q11 3RW55 soft starter
Q21 Line contactor: Low speed
Q31 Line contactor: High speed
Q32 Star (wye) contactor: High speed
H1 Indicator light: Fault
H2 Indicator light: Low motor speed
H3 Indicator light: High speed
M1 Motor
DI1 Motor CW parameter data set 1
DI2 Motor CW parameter data set 2
DI4 Reset
Example circuits
A.3 Special applications
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006 333